| Mean (SD) | ||||
| Pre-Term | Full-Term | Minimum | Maximum | |
| Externalizing | 47.44 (11.46) | 44.25 (8.16) | 28.00 | 73.00 |
| Internalizing | 49.82 (12.60) | 47.00 (7.58) | 33.00 | 77.00 |
| Attention Problems | 2.68 (2.60) | 1.46 (1.51) | 0.00 | 9.00 |
| Emotion Reactivity | 3.03 (3.23) | 1.71 (1.67) | 0.00 | 12.00 |
| Verbal Ability (SB-IV) | 105.28 (17.22) | 114.79 (7.13) | 45.00 | 129.00 |
| Behavioral Synchrony | 0.48 (0.33) | 0.57 (0.54) | 0.00 | 3.00 |
| Negative emotion regulation | −0.03 (0.87) | −0.17 (1.05) | −4.1 | 2.0 |
| Positive emotion regulation | 0.08 (1.15) | −0.11 (1.02) | −2.5 | 3.7 |